• [NSF Certified] This pleated filter is tested and certified against NSF 42 for material safety and is made with high grade and Lead-free materials. • [Superior Material] Most water filters meet European EC1935-2004 Regulations, Australian Water Mark, and have the certifications of TUV, ROHS, REACH, BPA FREE. • [Efficiency Filtration] YUNDA whole house pleated sediment water filter uses advanced trilobal fabrication technology. Not only reducing particles, sediment and other contaminants effectively but also easy to clean.